
4 min read
Website images: formats, sizes and lazy loading
Why images slow sites down, which format to choose, how to serve the right size with srcset, when to lazy-load and how to automate processing.
- Frontend
- Performance
(Tag)
Front-end development: frameworks, UI architecture, accessibility and speed.

4 min read
Why images slow sites down, which format to choose, how to serve the right size with srcset, when to lazy-load and how to automate processing.

4 min read
What a design system includes, when it pays off, what it looks like in code, what it costs and how to introduce it gradually without halting development.

5 min read
A PWA installs on the home screen, works offline and sends notifications. We cover its capabilities, the limits on iOS and Android and when it can replace an app.

5 min read
Why accessibility matters to a business, which WCAG 2.2 requirements matter most, how to write accessible markup and how to test with a keyboard and screen reader.

5 min read
Why JS sites lose indexing, which rendering approach to choose and which app mistakes hurt search: hash URLs, button links and soft 404s.

5 min read
TypeScript pays off in any project developed for more than a few months. We cover the benefits, the cost of switching and a plan for gradual migration.

5 min read
Vue and React are equally fast, so choose by team, hiring and ecosystem. We compare the approaches and show when each framework pays off.